Published: May 19, 2012 9:40 PM EDT
Updated: May 20, 2012 1:49 AM EDT

IMMOKALEE, Fla. - The Collier County Sheriff's Office is investigating a suspicious death in Immokalee. Just after 7 a.m., they received a 911 call from a home on Sanders Pine Circle.

When they arrived, they found 26-year-old Alvaro Nava Gachuz dead. Investigators are looking for his father-in-law, 54-year-old Adam Rocha Robles, with a warrant for Second-Degree Murder. Anyone with information on his whereabouts should use caution, and are asked to call the Sheriff's Office.

The cause of death is not being released at this time.